> +import static com.google.common.collect.Iterables.getOnlyElement;
> +
> +/**
> + * @author Andrea Turli
> + */
> +public class ContainerToNodeMetadata implements Function<Container,
> NodeMetadata> {
> +
> + @Resource
> + @Named(ComputeServiceConstants.COMPUTE_LOGGER)
> + protected Logger logger = Logger.NULL;
> +
> + private final ApiContext<DockerApi> context;
> +
> + @Inject
> + public ContainerToNodeMetadata(ApiContext<DockerApi> context) {
> + this.context = context;
Make sure parameter is not null.
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